220536663530 has 32 divisors (see below), whose sum is σ = 398191107600. Its totient is φ = 87942758400.

The previous prime is 220536663401. The next prime is 220536663541. The reversal of 220536663530 is 35366635022.

It is a happy number.

220536663530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 72770997121 + 147765666409 = 269761^2 + 384403^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5372042 + ... + 5412938.

Almost surely, 2^220536663530 is an apocalyptic number.

220536663530 is a deficient number, since it is larger than the sum of its proper divisors (177654444070).

220536663530 is a wasteful number, since it uses less digits than its factorization.

220536663530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42554.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 220536663530 in words is "two hundred twenty billion, five hundred thirty-six million, six hundred sixty-three thousand, five hundred thirty".